X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5f11fef5435283f9d2465f7eaccdd72d2f3fb1ef..5405bfb439dcb552bd79e6f35c347498811f85ef:/src/gtk/colour.cpp diff --git a/src/gtk/colour.cpp b/src/gtk/colour.cpp index d43c586444..6a226d4d0b 100644 --- a/src/gtk/colour.cpp +++ b/src/gtk/colour.cpp @@ -11,6 +11,7 @@ #include "wx/wxprec.h" #include "wx/colour.h" + #include "wx/gtk/private.h" #include @@ -19,28 +20,23 @@ // wxColour //----------------------------------------------------------------------------- -class wxColourRefData: public wxObjectRefData +class wxColourRefData : public wxGDIRefData { public: - wxColourRefData() + wxColourRefData(guint16 red, guint16 green, guint16 blue, wxByte alpha = 0xff) { - m_color.red = 0; - m_color.green = 0; - m_color.blue = 0; + m_color.red = + m_red = red; + m_color.green = + m_green = green; + m_color.blue = + m_blue = blue; + m_alpha = alpha; m_color.pixel = 0; m_colormap = NULL; - m_hasPixel = false; - } - - wxColourRefData(const wxColourRefData& data) - : wxObjectRefData() - { - m_color = data.m_color; - m_colormap = data.m_colormap; - m_hasPixel = data.m_hasPixel; } - ~wxColourRefData() + virtual ~wxColourRefData() { FreeColour(); } @@ -50,80 +46,53 @@ public: GdkColor m_color; GdkColormap *m_colormap; - bool m_hasPixel; + // gdk_colormap_alloc_color may change the RGB values in m_color, so we need separate copies + guint16 m_red; + guint16 m_green; + guint16 m_blue; + wxByte m_alpha; + + wxDECLARE_NO_COPY_CLASS(wxColourRefData); }; void wxColourRefData::FreeColour() { - if (m_hasPixel) + if (m_colormap) { gdk_colormap_free_colors(m_colormap, &m_color, 1); + m_colormap = NULL; + m_color.pixel = 0; } } void wxColourRefData::AllocColour( GdkColormap *cmap ) { - if (m_hasPixel && (m_colormap == cmap)) - return; - - FreeColour(); + if (m_colormap != cmap) + { + FreeColour(); - m_hasPixel = gdk_colormap_alloc_color(cmap, &m_color, FALSE, TRUE); - m_colormap = cmap; + m_color.red = m_red; + m_color.green = m_green; + m_color.blue = m_blue; + if (gdk_colormap_alloc_color(cmap, &m_color, FALSE, TRUE)) + { + m_colormap = cmap; + } + } } //----------------------------------------------------------------------------- -#define M_COLDATA wx_static_cast(wxColourRefData*, m_refData) +#define M_COLDATA static_cast(m_refData) -// GDK's values are in 0..65535 range, our are in 0..255 +// GDK's values are in 0..65535 range, ours are in 0..255 #define SHIFT 8 IMPLEMENT_DYNAMIC_CLASS(wxColour,wxGDIObject) -wxColour::wxColour( unsigned char red, unsigned char green, unsigned char blue ) +wxColour::wxColour(const GdkColor& gdkColor) { - m_refData = new wxColourRefData; - M_COLDATA->m_color.red = ((unsigned short)red) << SHIFT; - M_COLDATA->m_color.green = ((unsigned short)green) << SHIFT; - M_COLDATA->m_color.blue = ((unsigned short)blue) << SHIFT; - M_COLDATA->m_color.pixel = 0; -} - -/* static */ -wxColour wxColour::CreateByName(const wxString& name) -{ - wxColour col; - - GdkColor colGDK; - if ( gdk_color_parse( wxGTK_CONV_SYS( name ), &colGDK ) ) - { - wxColourRefData *refData = new wxColourRefData; - refData->m_color = colGDK; - col.m_refData = refData; - } - - return col; -} - - -void wxColour::InitFromName( const wxString &colourName ) -{ - // check the cache first - if ( wxTheColourDatabase ) - { - *this = wxTheColourDatabase->Find(colourName); - } - - if ( !Ok() ) - { - *this = CreateByName(colourName); - } - - if ( !Ok() ) - { - wxFAIL_MSG( wxT("wxColour: couldn't find colour") ); - } + m_refData = new wxColourRefData(gdkColor.red, gdkColor.green, gdkColor.blue); } wxColour::~wxColour() @@ -138,55 +107,52 @@ bool wxColour::operator == ( const wxColour& col ) const if (!m_refData || !col.m_refData) return false; - const GdkColor& own = M_COLDATA->m_color; - const GdkColor& other = wx_static_cast(wxColourRefData*, col.m_refData)->m_color; - return own.red == other.red && - own.blue == other.blue && - own.green == other.green; + wxColourRefData* refData = M_COLDATA; + wxColourRefData* that_refData = static_cast(col.m_refData); + return refData->m_red == that_refData->m_red && + refData->m_green == that_refData->m_green && + refData->m_blue == that_refData->m_blue && + refData->m_alpha == that_refData->m_alpha; } -wxObjectRefData *wxColour::CreateRefData() const +void wxColour::InitRGBA(unsigned char red, unsigned char green, unsigned char blue, + unsigned char alpha) { - return new wxColourRefData; -} + UnRef(); -wxObjectRefData *wxColour::CloneRefData(const wxObjectRefData *data) const -{ - return new wxColourRefData(*(wxColourRefData *)data); + m_refData = new wxColourRefData( + (guint16(red) << SHIFT) + red, + (guint16(green) << SHIFT) + green, + (guint16(blue) << SHIFT) + blue, + alpha); } -void wxColour::Set( unsigned char red, unsigned char green, unsigned char blue ) +unsigned char wxColour::Red() const { - AllocExclusive(); - - M_COLDATA->m_color.red = ((unsigned short)red) << SHIFT; - M_COLDATA->m_color.green = ((unsigned short)green) << SHIFT; - M_COLDATA->m_color.blue = ((unsigned short)blue) << SHIFT; - M_COLDATA->m_color.pixel = 0; + wxCHECK_MSG( Ok(), 0, wxT("invalid colour") ); - M_COLDATA->m_colormap = NULL; - M_COLDATA->m_hasPixel = false; + return wxByte(M_COLDATA->m_red >> SHIFT); } -unsigned char wxColour::Red() const +unsigned char wxColour::Green() const { wxCHECK_MSG( Ok(), 0, wxT("invalid colour") ); - return (unsigned char)(M_COLDATA->m_color.red >> SHIFT); + return wxByte(M_COLDATA->m_green >> SHIFT); } -unsigned char wxColour::Green() const +unsigned char wxColour::Blue() const { wxCHECK_MSG( Ok(), 0, wxT("invalid colour") ); - return (unsigned char)(M_COLDATA->m_color.green >> SHIFT); + return wxByte(M_COLDATA->m_blue >> SHIFT); } -unsigned char wxColour::Blue() const +unsigned char wxColour::Alpha() const { wxCHECK_MSG( Ok(), 0, wxT("invalid colour") ); - return (unsigned char)(M_COLDATA->m_color.blue >> SHIFT); + return M_COLDATA->m_alpha; } void wxColour::CalcPixel( GdkColormap *cmap ) @@ -203,9 +169,21 @@ int wxColour::GetPixel() const return M_COLDATA->m_color.pixel; } -GdkColor *wxColour::GetColor() const +const GdkColor *wxColour::GetColor() const { wxCHECK_MSG( Ok(), NULL, wxT("invalid colour") ); return &M_COLDATA->m_color; } + +bool wxColour::FromString(const wxString& str) +{ + GdkColor colGDK; + if ( gdk_color_parse( wxGTK_CONV_SYS( str ), &colGDK ) ) + { + *this = wxColour(colGDK); + return true; + } + + return wxColourBase::FromString(str); +}